Used as a chiral building block in the synthesis of β-lactam antibiotics, particularly in the production of semisynthetic penicillins and cephalosporins. Its enantiomerically pure structure enables precise stereochemical control during antibiotic development, enhancing biological activity and stability. Also employed in the preparation of enzyme inhibitors and other pharmaceuticals requiring high optical purity. Commonly utilized in asymmetric synthesis and resolution processes due to its ability to direct stereoselective transformations.